@article{10_21136_MB_2011_141447,
     author = {Chen, Andrew and Ferrero, Daniela and Gera, Ralucca and Yi, Eunjeong},
     title = {Functigraphs: {An} extension of permutation graphs},
     journal = {Mathematica Bohemica},
     pages = {27--37},
     publisher = {mathdoc},
     volume = {136},
     number = {1},
     year = {2011},
     doi = {10.21136/MB.2011.141447},
     mrnumber = {2807706},
     zbl = {1224.05165},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2011.141447/}
}